Figure 1–5 shows a transparent failover configuration set up to use LSM to
mirror storage units on one RAID array controller to the other controller.
Figure 1–5: Mirroring Storage Units with LSM in a Cluster
KGPSA
Member
System
2
KGPSA
KGPSA
Member
System
1
KGPSA
ZK-1533U-AI
Memory
Channel
Memory
Channel
Memory
Channel
Interface
Fibre Channel Switch
Fibre Channel Switch
HSG 80
Controller A
HSG 80
Controller B
RA8000/ESA12000
Port 1
Port 2
Port 1
Port 2
HSG 80
Controller A
HSG 80
Controller B
RA8000/ESA12000
Port 1
Port 2
Port 1
Port 2
Fibre Channel Overview 1–9
